Decides (4)
'decides' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for opts that I've seen before include "Picks needed" , "Settles" , "Elects" , "Makes choice from post" , "Selects between alternatives" .)
'decides' is the definition.
('determine' can be a synonym of 'decide')
This is the entire clue.
(Another definition for determines that I've seen is " Decides".)